Bulkhead Straight Orifice Holders
- Compression ferrule and nut are included with all Orifice Holders having Compression Connection (CC) inlets
- Gas orifice can be changed from fixed to adjustable by adding optional point
- Locknuts are available in different styles: stamped sheet metal type, zinc plated steel hex or brass hex.
- Orifice drill size number replaces suffix -xx; e.g., part number 4081-65 includes orifice hood with #65 drill (.035 diameter)
Compression Inlet
| TUBE INLET CC SIZE | INLET THREAD | MOUNTING THREAD | ORIFICE THREAD | DIM A | DIM B | DIM D | ACCROSS FLATS | BASE PART # | ORIFICE DRILL SIZE | OPTIONAL POINT |
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8 | 9/16-24 (M) | 3/4-16 (M) | 3/8-27 | 1.75 | 1.23 | 0.43 | 0.63 | 4081 | -xx | P |
| 7/16 | 5/8-24 (M) | 3/4-16 (M) | 3/8-27 | 1.83 | 1.24 | 0.43 | N/A | 4087 | -xx | P |
| 1/2 | 11/16-20 (M) | 3/4-16 (M) | 1/2-27 | 2.01 | 1.3 | 0.56 | N/A | 4060 | -xx | P |
Compression Inlet
| TUBE INLET CC SIZE | INLET THREAD | ORIFICE MOUNTING G THREAD | DIM A | DIM B | DIM D | BASE PART # | ORIFICE DRILL SIZE | OPTIONAL POINT |
|---|---|---|---|---|---|---|---|---|
| 3/8 | 9/16-24 (M) | 3/8-27 (M) | 1.66 | 1.16 | 0.43 | 4067 | -xx | P |
Compression Inlet
| TUBE INLET CC SIZE | INLET MOUNTING THREAD | ORIFICE THREAD | DIM A | DIM B | DIM C | DIM D | ACCROSS FLATS | BASE PART # | ORIFICE DRILL SIZE | OPTIONAL POINT |
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8 | 9/16-24 (M) | 3/8-27 | 1.73 | 1.04 | 0.75 | 0.43 | 0.63 | 4118-06 | -XX | P |
| 7/16 | 5/8-24 (M) | 1/2-27 | 2.12 | 1.04 | 0.75 | 0.56 | 0.63 | 4118-07 | -XX | P |
Pipe Threaded Inlet
| NPT INLET | MOUNTING THREAD | ORIFICE THREAD | DIM A | DIM B | DIM D | ACCROSS FLATS | BASE PART # | ORIFICE DRILL SIZE | OPTIONAL POINT |
|---|---|---|---|---|---|---|---|---|---|
| 1/4 FNPT | 3/4-16 (M) | 3/8-27 | 1.68 | 1.18 | 0.43 | 0.56 | 4026 | -xx | P |
Pipe Threaded Inlet
| NPT INLET | STOCK | MOUNTING G THREAD | ORIFICE THREAD | DIM A | DIM B | DIM C | DIM D | BASE PART # | ORIFICE DRILL SIZE |
|---|---|---|---|---|---|---|---|---|---|
| 3/8 MNPT | Ø .69 BRASS | 3/8 NPSM | 3/8-27 | 2.72 | 1.81 | 0.23 | 0.56 | 4047 | -xx |
Pipe Threaded Inlet
| NPT INLET | STOCK | ORIFICE THREAD | DIM A | DIM B | DIM C | DIM D | PART # |
|---|---|---|---|---|---|---|---|
| 3/8 MNPT | Ø .75 CRS | 7/16-27 | 1.52 | 0.65 | 0.69 | 0.63 | 23-133-06 |
| 3/8 MNPT (+2 turns) | Ø .75 CRS | 7/16-27 | 1.52 | 0.65 | 0.69 | 0.63 | 23-134-06 |
Pipe Threaded Inlet
| NPT INLET | STOCK | ORIFICE THREAD | DIM A | DIM B | DIM C | DIM D | PART # |
|---|---|---|---|---|---|---|---|
| 3/8 MNPT (+2 turns) | Ø .69 HEX BRASS | 7/16-27 | 1.52 | 0.65 | 0.69 | 0.63 | 23-135-06 |